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50 PySpark Interview Questions and Answers For 2023

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PySpark runs a completely compatible Python instance on the Spark driver (where the task was launched) while maintaining access to the Scala-based Spark cluster access. Although Spark was originally created in Scala, the Spark Community has published a new tool called PySpark, which allows Python to be used with Spark. count())) df2.show(truncate=False)

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100+ Big Data Interview Questions and Answers 2023

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Wrappers Method: This method employs the 'induction algorithm,' which may be used to generate a classifier. On the other hand, a relational database computer system allows for real-time data querying but storing large amounts of data in tables, records, and columns is inefficient. Spark stores data in RDDs on several partitions.